Abde Ezzalzouli has become one of the biggest names in the transfer market after enjoying the best season of his career with Real Betis. When Barcelona sold Abde to Betis in 2023, they retained a percentage of any future transfer. (Photo by Juan Manuel Serrano Arce/Getty Images)Following a later renegotiation tied to Vitor Roque's move away from Betis, Barcelona now hold 20 percent of any future sale. AdvertisementAdvertisement AdvertisementBetis, though, are in no rush to sell cheaply, and will only sanction a departure if their financial demands are met. Either way, Barcelona will be watching closely, aware that a slice of any transfer fee is heading their way regardless of which club ultimately wins the race.